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1
Published 2003
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
Moraine and McConnells Mill State Parks, Butler and Lawrence Counties.
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2
Author: Willard, Bradford, 1894-1973.
Published 1962
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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3
Published 1999
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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4
Author: Wagner, Walter Richard, 1928-1974.
Published 1958
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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5
Author: Willard, Bradford, 1894-
Published 1958
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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6
Author: Delano, Helen L.
Published 1991
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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7
Author: Ebright, John R.
Published 1952
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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8
Published 1962
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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9
Author: Geyer, Alan R.
Published 1958
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania Lebanon quadrangle....”
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10
Author: Ashley, Geo. H. 1866-1951.
Published 1931
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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11
Author: Gray, Carlyle.
Published 1958
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania Richland quadrangle....”
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12
Published 1958
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania Maps....”
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13
Published 1891
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania Maps....”
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14
Author: Geyer, Alan R.
Published 1979
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania Guidebooks....”
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15
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania Periodicals....”
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16
Author: Troost, Gerard, 1776-1850.
Published 1826
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania Philadelphia....”
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17
Author: Stone, Ralph W. 1876-1964.
Published 1931
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania....”
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18
Subjects and Genres: '; “...Geology Pennsylvania Juniata Cou...”
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19
Author: Rupp, I. Daniel 1803-1878.
Published 1845
Record Source: Published Materials
Subjects and Genres: '; “...Geology Pennsylvania York County....”
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20
Subjects and Genres: '; “...Geology Pennsylvania Juniata Cou...”
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